terrestrial planet(redirected from Silicate planet)
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Related to Silicate planet: Terrestrial planets
Any of the four planets, Mercury, Venus, Earth, and Mars, whose orbits are closest to the sun. Also called inner planet.
any of the four planets closest to the sun: Mercury, Venus, Earth, or Mars.
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|Noun||1.||terrestrial planet - a planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system|
major planet, planet - (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction